आधिकारिक जनगणना के आंकड़ों के अनुसार जनसंख्या के आकार के आधार पर, निम्नलिखित में से कौन सी झारखंड राज्य की सबसे बड़ी अनुसूचित जनजाति है?

The 'Drain of Wealth' theory was propounded by which Indian nationalist leader?

Which event is considered the turning point in Mahatma Gandhi's leadership in the Indian independence movement?

Which African leader is known for his non-violent opposition to colonial rule?